----- Original Message ----- 
From: "RussellMc" <apptechnz@gmail.com>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Sunday, June 06, 2010 3:32 AM
Subject: Re: [EE] Measure current in a wire using hall effect sensor


>> http://www.siliconchip.com.au/cms/A_30551/article.html
>
> Diagram of wire through core appears incorrect.
> Unless I am missing something (as happens) only one wire of pair
> should transit core centre.

Is it due to the fact that it both wires are attached to same polarity 
battery terminal (as I see it), so current is flowing in same direction in 
each? (not sure why they would show two wires though, unless this is 
standard for automotive battery wiring) 


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